<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>凯撒加密程序</title>
    <script src="./script.js"></script>
</head>

<body>
<input type="text" id="input">
<input type="button" value="提交" onclick="m();">
<div id="something"></div>
</body>

</html>